The trick is to toss the chips in the Parm as soon as they come out of the basket in order for the steam to soften the cheese to give it any chance to coat them.
1 bag frozen skin-on fries
1/2 stick unsalted butter
½ tsp freshly ground black pepper, plus extra for garnishing
½ tsp salt
2.5oz parmesan cheese, finely grated, plus extra for garnishing
2.5oz pecorino cheese, finely grated, plus extra for garnishing
1 bag frozen skin-on fries
50g unsalted butter
½ tsp freshly ground black pepper, plus extra for garnishing
½ tsp salt
75g parmesan cheese, finely grated, plus extra for garnishing
75g pecorino cheese, finely grated, plus extra for garnishing